Le 05/11/2010 14:52, Taco Hoekwater a écrit :
> On 11/05/2010 02:46 PM, Manuel Pégourié-Gonnard wrote:
>> Le 05/11/2010 14:22, Taco Hoekwater a écrit :
>>> In all these cases the result of returning a boolean is the same:
>>>>>> false == callback has failed
>>> true == callback has run ok, but nothing has been changed
>>>>>> the latter case (true) is interesting because it allows a speed
>>> optimization that can be considerable. I could have sworn this was
>>> mentioned in the manual, but I cannot find it myself either.
>>>> Ok, thanks for the clarification. Just to be sure: in case the function returns
>> false, and error will be issued, right?
>> Eh ... no. You have to raise an error yourself, if you want that.
>Hum, so what is the purpose of returning false rather than true, if no action is
taken based on this value?